<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .box{
            width: 300px;
            height: 300px;
            margin: 200px auto;
        }
        .top{
            width: 300px;
            height: 100px;
            background-color: skyblue;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
        }
        img{
            width: 100%;
            height: 100%;
        }
    </style>
</head>
<body>
    <div class="box">
        <div class="top">欢迎购买</div>
        <div class="bottom"><img src='../imgaes/shop/二维码.png' alt=""></div>
    </div>
</body>
</html>